Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933461AbcCPHG2 (ORCPT ); Wed, 16 Mar 2016 03:06:28 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:29059 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753613AbcCPHGZ (ORCPT ); Wed, 16 Mar 2016 03:06:25 -0400 From: Wenyou Yang To: Nicolas Ferre , Alexandre Belloni , Jean-Christophe Plagniol-Villard , Russell King CC: , , , , "Rob Herring" , Pawel Moll , Mark Brown , Ian Campbell , "Kumar Gala" , Wenyou Yang Subject: [PATCH v5 4/5] Documentation: atmel-pmc: add DT bindings for fast startup Date: Wed, 16 Mar 2016 14:58:08 +0800 Message-ID: <1458111489-23774-5-git-send-email-wenyou.yang@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1458111489-23774-1-git-send-email-wenyou.yang@atmel.com> References: <1458111489-23774-1-git-send-email-wenyou.yang@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2370 Lines: 85 Add DT bindings to configurate the PMC_FSMR and PMC_FSPR registers to trigger a fast restart signal to PMC. Signed-off-by: Wenyou Yang Acked-by: Rob Herring --- Changes in v5: - due to the DT property expression change, update the binding document. Changes in v4: - add Acked-by tag. Changes in v3: - update the property description. Changes in v2: - change the property name and property description. .../devicetree/bindings/arm/atmel-pmc.txt | 52 ++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt index 795cc78..76fdc66 100644 --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -12,3 +12,55 @@ Examples: compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; }; + +PMC Fast Startup Signals + +The PMC Fast Start Signals are used as the wake up source to trigger the PMC +to wake up the system from the ULP1 mode. + +required properties: +- compatible: should be "atmel,sama5d2-pmc-fast-startup". + +optional properties: +- atmel,wakeup-rtc-timer: boolean to enable RTC alarm wake-up. +- atmel,wakeup-usb-resume: boolean to enable USB resume wake-up. +- atmel,wakeup-sdmmc-cd: boolean to enable SDMMC card detect wake-up. +- atmel,wakeup-rxlp-match: boolean to enable RXLP matching condition wake-up. +- atmel,wakeup-acc-comparison: boolean to enable ACC comparison wake-up. + +The node contains child nodes for each wake-up input pin that the platform uses. + +Input nodes + +Required properties: +- reg: should contain the wake-up input index [0 - 10], to enable + the corresponding wake-up input. + +Optional properties: +- atmel,wakeup-active-high: boolean to declare the corresponding wake-up + input described by the child be active high. + The default is to be active low. + +Example: + + pmc: pmc@f0014000 { + compatible = "atmel,sama5d2-pmc"; + reg = <0xf0014000 0x160>; + + pmc_fast_restart { + compatible = "atmel,sama5d2-pmc-fast-startup"; + #address-cells = <1>; + #size-cells = <0>; + + atmel,wakeup-rtc-timer; + + wkpin: input@0 { + reg = <0>; + }; + + gmac_wol: input@10 { + reg = <10>; + atmel,wakeup-active-high; + }; + }; + }; -- 1.7.9.5